From ec6a532603e2159a67a022d62b3c5ed3407dda03 Mon Sep 17 00:00:00 2001
From: Victor Berchet <victor@suumit.com>
Date: Mon, 21 Dec 2015 14:41:18 -0800
Subject: [PATCH] build(broccoli-typescript): check for map files before
 deleting them

fixes #5610
---
 tools/broccoli/broccoli-typescript.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/broccoli/broccoli-typescript.ts b/tools/broccoli/broccoli-typescript.ts
index 9a4ab4b14f7a..ff572053060e 100644
--- a/tools/broccoli/broccoli-typescript.ts
+++ b/tools/broccoli/broccoli-typescript.ts
@@ -212,7 +212,10 @@ class DiffingTSCompiler implements DiffingBroccoliPlugin {
 
     if (fs.existsSync(absoluteJsFilePath)) {
       fs.unlinkSync(absoluteJsFilePath);
-      fs.unlinkSync(absoluteMapFilePath);
+      if (fs.existsSync(absoluteMapFilePath)) {
+        // source map could be inline or not generated
+        fs.unlinkSync(absoluteMapFilePath);
+      }
       fs.unlinkSync(absoluteDtsFilePath);
     }
   }